Turbo Catless Downpipe Exhaust For Audi S4 S5 A7 A8 B8 Q5 SQ5 3.0 TFSI V6 . B8 S4 and S5 3.0T engines A4 S4 B8 B8.5 3.0 TFSI D4, perfect fit, I had them on a 2014 Audi s5 there were just too loud for me.